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XI1642QGABL

Single-Chip 76-to-81GHz mmWave Sensor Integrating DSP and MCU

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Texas Instruments XI1642QGABL

The IWR1642 device is an integrated single-chip mmWave sensor based
on FMCW radar technology capable of operation in the 76- to 81-GHz band with up to 4 GHz continuous
chirp. The device is built with TI’s low-power 45-nm RFCMOS process, and this solution enables
unprecedented levels of integration in an extremely small form factor. The IWR1642 is an ideal
solution for low-power, self-monitored, ultra-accurate radar systems in the industrial applications
such as building automation, factory automation, drones, material handling, traffic monitoring, and
surveillance.

The IWR1642 device is a self-contained, single-chip solution that
simplifies the implementation of mmWave sensors in the band of 76 to 81 GHz. IWR1642 includes a
monolithic implementation of a 2TX, 4RX system with built-in PLL and A2D converters. The IWR1642
also integrates a DSP subsystem, which contains TIs high-performance C674x DSP for the RF signal
processing. The device includes an ARM R4F-based processor subsystem, which is responsible for
front-end configuration, control, and calibration. Simple programming model changes can enable a
wide variety of sensor implementation with the possibility of dynamic reconfiguration for
implementing a multimode sensor. Additionally, the device is provided as a complete platform
solution including reference hardware design, software drivers, sample configurations, API guide,
training, and user documentation.